Institut für

Agrarklimaschutz

Institutsleitung

Stellvertretende Institutsleitung

Sekretariat

Steffanie Schirren
Institut für Agrarklimaschutz

Bundesallee 65
38116 Braunschweig
Telefon: +49 531 596 2602
Fax: +49 531 596 2699
ak@thuenen.de


Publikationen von Mirjam Helfrich, die nicht am Thünen-Institut enstanden sind

Anzahl der Datensätze: 7

  1. Helfrich M, Ludwig B, Potthoff M, Flessa H (2008) Effect of litter quality and soil fungion macroaggregate dynamics and associated partitioning of litter carbon and nitrogen. Soil Biol Biochem 40(7):1823-1835, DOI:10.1016/j.soilbio.2008.03.006
  2. Flessa H, Amelung W, Helfrich M, Wiesenberg GLB, Gleixner G, Brodowski S, Rethemeyer J, Kramer C, Grootes PM (2008) Storage and stability of organic matter and fossil carbon in a Luvisol and Phaeozem with continuous maize cropping: a synthesis. J Plant Nutr Soil Sci 171(1):36-51, DOI:10.1020/jpln.200700050
  3. Helfrich M, Flessa H, Mikutta R, Dreves A, Ludwig B (2007) Comparison of chemical fractionation methods for isolating stable soil organic carbon pools. Eur J Soil Sci 58(6):1316-1329, DOI:10.1111/j.1365-2389.2007.00926.x
  4. Helfrich M, Ludwig B, Buurman P, Flessa H (2006) Effect of land use on the composition of soil organic matter in density and aggregate fractions as revealed by solid-state 13 C NMR spectroscopy. Geoderma 136(1-2):331-341, DOI:10.1016/j.geoderma.2006.03.048
  5. Terhoeven-Urselmans T, Michel K, Helfrich M, Flessa H, Ludwig B (2006) Near-infrared spectroscopy can predict the composition of organic matter in soil and litter. J Plant Nutr Soil Sci 169(2):168-174, DOI:10.1002/jpln.200521712
  6. Yamashita T, Flessa H, John B, Helfrich M, Ludwig B (2006) Organic matter in density fractions of water-stable aggregates in silty soil: effect of land use. Soil Biol Biochem 38(11):3222-3234, DOI:10.1016/j.soilbio.2006.04.013
  7. Ludwig B, Helfrich M, Flessa H (2005) Modelling the long-term stabilization of carbon from maize in a silty soil. Plant Soil 278(1-2):315-325, DOI:10.1007/s11104-005-8808-2